NCLEX RN Practice Question # 910

NCLEX Examination.

Practice Question # 910.


nclex examination




  • A group of ocular diseases resulting in increased IOP
  • IOP is the fluid (aqueous humor) pressure within the eye (normal IOP is 10 to 21 mm Hg).
  • Increased IOP results from inadequate drainage of aqueous humor from the canal of Schlemm or overproduction of aqueous humor.
  • The condition damages the optic nerve and can result in blindness.
  • The gradual loss of visual fields may go unnoticed, because central vision is unaffected.


  • Primary open-angle glaucoma (POAG) results from obstruction to outflow of aqueous humor and is the most common type.
  • Primary angle-closure glaucoma (PACG) results from blocking the outflow of aqueous humor into the
  • trabecular meshwork; causes include lens or pupil dilation from medications or sympathetic stimulation.


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